Don't require command to be signed to pass it through as-is

proxy/src/main/java/com/velocitypowered/proxy/protocol/packet/chat/session/SessionCommandHandler.java

@@ -52,7 +52,7 @@ public class SessionCommandHandler implements CommandHandler<SessionPlayerComman
 
   @Nullable
   private MinecraftPacket forwardCommand(SessionPlayerCommandPacket packet, String newCommand) {
-    if (packet.isSigned() && newCommand.equals(packet.command)) {
+    if (newCommand.equals(packet.command)) {
       return packet;
     }
     return modifyCommand(packet, newCommand);